Summary data stasiun Gucheng

Dataset statistics

Number of variables	18
Number of observations	35064
Missing cells	4728
Missing cells (%)	0.7%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	4.8 MiB
Average record size in memory	144.0 B

Variable types

Numeric	15
Categorical	3

Alerts

`station` has constant value ""	Constant
`CO` is highly overall correlated with `NO2` and 4 other fields	High correlation
`DEWP` is highly overall correlated with `PRES` and 1 other fields	High correlation
`NO2` is highly overall correlated with `CO` and 4 other fields	High correlation
`No` is highly overall correlated with `year`	High correlation
`O3` is highly overall correlated with `CO` and 2 other fields	High correlation
`PM10` is highly overall correlated with `CO` and 2 other fields	High correlation
`PM2.5` is highly overall correlated with `CO` and 2 other fields	High correlation
`PRES` is highly overall correlated with `DEWP` and 1 other fields	High correlation
`SO2` is highly overall correlated with `CO` and 1 other fields	High correlation
`TEMP` is highly overall correlated with `DEWP` and 2 other fields	High correlation
`year` is highly overall correlated with `No`	High correlation
`PM2.5` has 646 (1.8%) missing values	Missing
`PM10` has 381 (1.1%) missing values	Missing
`SO2` has 507 (1.4%) missing values	Missing
`NO2` has 668 (1.9%) missing values	Missing
`CO` has 1401 (4.0%) missing values	Missing
`O3` has 729 (2.1%) missing values	Missing
`RAIN` is highly skewed (γ1 = 27.26885148)	Skewed
`No` is uniformly distributed	Uniform
`No` has unique values	Unique
`hour` has 1461 (4.2%) zeros	Zeros
`RAIN` has 33673 (96.0%) zeros	Zeros
`WSPM` has 2492 (7.1%) zeros	Zeros

Reproduction

Analysis started	2024-03-08 05:11:21.538090
Analysis finished	2024-03-08 05:12:04.198697
Duration	42.66 seconds
Software version	ydata-profiling vv4.6.5
Download configuration	config.json

No
Real number (ℝ)

HIGH CORRELATION UNIFORM UNIQUE

Distinct	35064
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	17532.5

Minimum	1
Maximum	35064
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1754.15
Q1	8766.75
median	17532.5
Q3	26298.25
95-th percentile	33310.85
Maximum	35064
Range	35063
Interquartile range (IQR)	17531.5

Descriptive statistics

Standard deviation	10122.249
Coefficient of variation (CV)	0.57734204
Kurtosis	-1.2
Mean	17532.5
Median Absolute Deviation (MAD)	8766
Skewness	0
Sum	6.1475958 × 10⁸
Variance	1.0245993 × 10⁸
Monotonicity	Strictly increasing

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1	1	< 0.1%
23379	1	< 0.1%
23373	1	< 0.1%
23374	1	< 0.1%
23375	1	< 0.1%
23376	1	< 0.1%
23377	1	< 0.1%
23378	1	< 0.1%
23380	1	< 0.1%
23422	1	< 0.1%
Other values (35054)	35054	> 99.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1	< 0.1%
2	1	< 0.1%
3	1	< 0.1%
4	1	< 0.1%
5	1	< 0.1%
6	1	< 0.1%
7	1	< 0.1%
8	1	< 0.1%
9	1	< 0.1%
10	1	< 0.1%

Value	Count	Frequency (%)
35064	1	< 0.1%
35063	1	< 0.1%
35062	1	< 0.1%
35061	1	< 0.1%
35060	1	< 0.1%
35059	1	< 0.1%
35058	1	< 0.1%
35057	1	< 0.1%
35056	1	< 0.1%
35055	1	< 0.1%

year
Categorical

HIGH CORRELATION

Distinct	5
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

2016	8784
2014	8760
2015	8760
2013	7344
2017	1416

Length

Max length	4
Median length	4
Mean length	4
Min length	4

Characters and Unicode

Total characters	140256
Distinct characters	8
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	2013
2nd row	2013
3rd row	2013
4th row	2013
5th row	2013

Common Values

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Most occurring characters

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	140256	100.0%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring scripts

Value	Count	Frequency (%)
Common	140256	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	140256	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

month
Real number (ℝ)

Distinct	12
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	6.5229295

Minimum	1
Maximum	12
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1
Q1	4
median	7
Q3	10
95-th percentile	12
Maximum	12
Range	11
Interquartile range (IQR)	6

Descriptive statistics

Standard deviation	3.4487524
Coefficient of variation (CV)	0.52871219
Kurtosis	-1.2080577
Mean	6.5229295
Median Absolute Deviation (MAD)	3
Skewness	-0.0092942217
Sum	228720
Variance	11.893893
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=12)

Value	Count	Frequency (%)
3	2976	8.5%
5	2976	8.5%
7	2976	8.5%
8	2976	8.5%
10	2976	8.5%
12	2976	8.5%
1	2976	8.5%
4	2880	8.2%
6	2880	8.2%
9	2880	8.2%
Other values (2)	5592	15.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	2976	8.5%
2	2712	7.7%
3	2976	8.5%
4	2880	8.2%
5	2976	8.5%
6	2880	8.2%
7	2976	8.5%
8	2976	8.5%
9	2880	8.2%
10	2976	8.5%

Value	Count	Frequency (%)
12	2976	8.5%
11	2880	8.2%
10	2976	8.5%
9	2880	8.2%
8	2976	8.5%
7	2976	8.5%
6	2880	8.2%
5	2976	8.5%
4	2880	8.2%
3	2976	8.5%

day
Real number (ℝ)

Distinct	31
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15.729637

Minimum	1
Maximum	31
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	2
Q1	8
median	16
Q3	23
95-th percentile	29
Maximum	31
Range	30
Interquartile range (IQR)	15

Descriptive statistics

Standard deviation	8.8002175
Coefficient of variation (CV)	0.55946729
Kurtosis	-1.1940295
Mean	15.729637
Median Absolute Deviation (MAD)	8
Skewness	0.0067598056
Sum	551544
Variance	77.443829
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=31)

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%
21	1152	3.3%
Other values (21)	23544	67.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
3	1152	3.3%
4	1152	3.3%
5	1152	3.3%
6	1152	3.3%
7	1152	3.3%
8	1152	3.3%
9	1152	3.3%
10	1152	3.3%

Value	Count	Frequency (%)
31	672	1.9%
30	1056	3.0%
29	1080	3.1%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%

hour
Real number (ℝ)

ZEROS

Distinct	24
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	11.5

Minimum	0
Maximum	23
Zeros	1461
Zeros (%)	4.2%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	1
Q1	5.75
median	11.5
Q3	17.25
95-th percentile	22
Maximum	23
Range	23
Interquartile range (IQR)	11.5

Descriptive statistics

Standard deviation	6.9222853
Coefficient of variation (CV)	0.60193785
Kurtosis	-1.2041745
Mean	11.5
Median Absolute Deviation (MAD)	6
Skewness	0
Sum	403236
Variance	47.918033
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=24)

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
Other values (14)	20454	58.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
2	1461	4.2%
3	1461	4.2%
4	1461	4.2%
5	1461	4.2%
6	1461	4.2%
7	1461	4.2%
8	1461	4.2%
9	1461	4.2%

Value	Count	Frequency (%)
23	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
14	1461	4.2%

PM2.5
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	577
Distinct (%)	1.7%
Missing	646
Missing (%)	1.8%
Infinite	0
Infinite (%)	0.0%
Mean	83.852089

Minimum	2
Maximum	770
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	7
Q1	24
median	60
Q3	115.75
95-th percentile	247
Maximum	770
Range	768
Interquartile range (IQR)	91.75

Descriptive statistics

Standard deviation	82.796445
Coefficient of variation (CV)	0.98741064
Kurtosis	6.6049022
Mean	83.852089
Median Absolute Deviation (MAD)	41
Skewness	2.0922507
Sum	2886021.2
Variance	6855.2512
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
8	563	1.6%
11	544	1.6%
9	534	1.5%
10	526	1.5%
7	505	1.4%
12	501	1.4%
6	454	1.3%
3	448	1.3%
13	428	1.2%
14	395	1.1%
Other values (567)	29520	84.2%
(Missing)	646	1.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	3	< 0.1%
3	448	1.3%
4	242	0.7%
5	314	0.9%
6	454	1.3%
7	505	1.4%
8	563	1.6%
8.5	1	< 0.1%
9	534	1.5%
10	526	1.5%

Value	Count	Frequency (%)
770	1	< 0.1%
767	1	< 0.1%
741	1	< 0.1%
739	1	< 0.1%
733	1	< 0.1%
705	2	< 0.1%
680	1	< 0.1%
677	1	< 0.1%
675	1	< 0.1%
661	2	< 0.1%

PM10
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	660
Distinct (%)	1.9%
Missing	381
Missing (%)	1.1%
Infinite	0
Infinite (%)	0.0%
Mean	118.86198

Minimum	2
Maximum	994
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	11
Q1	45
median	99
Q3	167
95-th percentile	295
Maximum	994
Range	992
Interquartile range (IQR)	122

Descriptive statistics

Standard deviation	96.742626
Coefficient of variation (CV)	0.81390725
Kurtosis	5.5891621
Mean	118.86198
Median Absolute Deviation (MAD)	59
Skewness	1.7108188
Sum	4122490
Variance	9359.1356
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6	412	1.2%
19	246	0.7%
11	246	0.7%
17	245	0.7%
13	244	0.7%
18	239	0.7%
20	239	0.7%
21	238	0.7%
5	237	0.7%
12	235	0.7%
Other values (650)	32102	91.6%
(Missing)	381	1.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	4	< 0.1%
3	59	0.2%
4	16	< 0.1%
5	237	0.7%
6	412	1.2%
7	178	0.5%
8	216	0.6%
9	218	0.6%
10	216	0.6%
11	246	0.7%

Value	Count	Frequency (%)
994	1	< 0.1%
986	1	< 0.1%
983	1	< 0.1%
957	1	< 0.1%
947	1	< 0.1%
941	1	< 0.1%
890	1	< 0.1%
883	1	< 0.1%
862	1	< 0.1%
849	1	< 0.1%

SO2
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	243
Distinct (%)	0.7%
Missing	507
Missing (%)	1.4%
Infinite	0
Infinite (%)	0.0%
Mean	15.366162

Minimum	0.2856
Maximum	500
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.2856
5-th percentile	2
Q1	2
median	7
Q3	20
95-th percentile	57
Maximum	500
Range	499.7144
Interquartile range (IQR)	18

Descriptive statistics

Standard deviation	21.204526
Coefficient of variation (CV)	1.3799494
Kurtosis	34.320557
Mean	15.366162
Median Absolute Deviation (MAD)	5
Skewness	3.6894519
Sum	531008.45
Variance	449.63192
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	8948	25.5%
3	3390	9.7%
4	1852	5.3%
5	1448	4.1%
6	1262	3.6%
7	1111	3.2%
8	1041	3.0%
9	798	2.3%
10	767	2.2%
11	739	2.1%
Other values (233)	13201	37.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.2856	1	< 0.1%
0.8568	1	< 0.1%
1	195	0.6%
1.1424	1	< 0.1%
1.9992	1	< 0.1%
2	8948	25.5%
2.2848	1	< 0.1%
2.5704	1	< 0.1%
2.856	1	< 0.1%
3	3390	9.7%

Value	Count	Frequency (%)
500	3	< 0.1%
248	1	< 0.1%
247	1	< 0.1%
246	1	< 0.1%
227	1	< 0.1%
220	2	< 0.1%
218	1	< 0.1%
202	1	< 0.1%
192	2	< 0.1%
188	1	< 0.1%

NO2
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	367
Distinct (%)	1.1%
Missing	668
Missing (%)	1.9%
Infinite	0
Infinite (%)	0.0%
Mean	55.871075

Minimum	2
Maximum	276
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	10
Q1	26
median	50
Q3	79
95-th percentile	122
Maximum	276
Range	274
Interquartile range (IQR)	53

Descriptive statistics

Standard deviation	36.47386
Coefficient of variation (CV)	0.65282188
Kurtosis	0.79068693
Mean	55.871075
Median Absolute Deviation (MAD)	26
Skewness	0.87862412
Sum	1921741.5
Variance	1330.3425
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
12	473	1.3%
16	462	1.3%
11	453	1.3%
13	444	1.3%
18	441	1.3%
10	439	1.3%
14	426	1.2%
17	425	1.2%
25	419	1.2%
22	416	1.2%
Other values (357)	29998	85.6%
(Missing)	668	1.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	71	0.2%
3	68	0.2%
4	116	0.3%
5	154	0.4%
5.7484	1	< 0.1%
5.9537	1	< 0.1%
6	202	0.6%
6.3643	1	< 0.1%
7	252	0.7%
7.5961	2	< 0.1%

Value	Count	Frequency (%)
276	1	< 0.1%
271	1	< 0.1%
270	1	< 0.1%
261	1	< 0.1%
258	1	< 0.1%
240	1	< 0.1%
239	1	< 0.1%
237	1	< 0.1%
229	1	< 0.1%
226	2	< 0.1%

CO
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	116
Distinct (%)	0.3%
Missing	1401
Missing (%)	4.0%
Infinite	0
Infinite (%)	0.0%
Mean	1323.9744

Minimum	100
Maximum	10000
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	100
5-th percentile	300
Q1	600
median	900
Q3	1600
95-th percentile	3700
Maximum	10000
Range	9900
Interquartile range (IQR)	1000

Descriptive statistics

Standard deviation	1208.9578
Coefficient of variation (CV)	0.91312774
Kurtosis	8.5720053
Mean	1323.9744
Median Absolute Deviation (MAD)	400
Skewness	2.4567288
Sum	44568951
Variance	1461578.9
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
300	2632	7.5%
600	2377	6.8%
400	2328	6.6%
700	2321	6.6%
500	2272	6.5%
800	2072	5.9%
900	1961	5.6%
1000	1738	5.0%
1100	1630	4.6%
1200	1337	3.8%
Other values (106)	12995	37.1%
(Missing)	1401	4.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
100	221	0.6%
200	846	2.4%
300	2632	7.5%
400	2328	6.6%
500	2272	6.5%
600	2377	6.8%
700	2321	6.6%
800	2072	5.9%
900	1961	5.6%
1000	1738	5.0%

Value	Count	Frequency (%)
10000	3	< 0.1%
9900	10	< 0.1%
9800	9	< 0.1%
9700	9	< 0.1%
9600	6	< 0.1%
9500	1	< 0.1%
9400	2	< 0.1%
9300	5	< 0.1%
9200	4	< 0.1%
9000	8	< 0.1%

O3
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	804
Distinct (%)	2.3%
Missing	729
Missing (%)	2.1%
Infinite	0
Infinite (%)	0.0%
Mean	57.694879

Minimum	0.2142
Maximum	450
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.2142
5-th percentile	2
Q1	10
median	45
Q3	83
95-th percentile	180
Maximum	450
Range	449.7858
Interquartile range (IQR)	73

Descriptive statistics

Standard deviation	57.019587
Coefficient of variation (CV)	0.98829546
Kurtosis	2.1676576
Mean	57.694879
Median Absolute Deviation (MAD)	36
Skewness	1.4341318
Sum	1980953.7
Variance	3251.2333
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	2476	7.1%
3	975	2.8%
4	922	2.6%
5	841	2.4%
6	713	2.0%
7	624	1.8%
8	552	1.6%
9	497	1.4%
10	445	1.3%
11	375	1.1%
Other values (794)	25915	73.9%
(Missing)	729	2.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.2142	1	< 0.1%
0.4284	2	< 0.1%
0.6426	1	< 0.1%
0.8568	6	< 0.1%
1	179	0.5%
1.071	10	< 0.1%
1.2852	10	< 0.1%
1.4994	16	< 0.1%
1.7136	7	< 0.1%
1.9278	14	< 0.1%

Value	Count	Frequency (%)
450	1	< 0.1%
374	1	< 0.1%
359	1	< 0.1%
357	1	< 0.1%
355	1	< 0.1%
349	1	< 0.1%
348	3	< 0.1%
346	1	< 0.1%
345	1	< 0.1%
342	1	< 0.1%

TEMP
Real number (ℝ)

HIGH CORRELATION

Distinct	995
Distinct (%)	2.8%
Missing	51
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	13.864524

Minimum	-15.6
Maximum	41.6
Zeros	191
Zeros (%)	0.5%
Negative	4887
Negative (%)	13.9%
Memory size	274.1 KiB

Quantile statistics

Minimum	-15.6
5-th percentile	-3.8
Q1	3.6
median	14.8
Q3	23.5
95-th percentile	30.8
Maximum	41.6
Range	57.2
Interquartile range (IQR)	19.9

Descriptive statistics

Standard deviation	11.292857
Coefficient of variation (CV)	0.81451456
Kurtosis	-1.1432736
Mean	13.864524
Median Absolute Deviation (MAD)	9.7
Skewness	-0.10168203
Sum	485438.6
Variance	127.52862
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	283	0.8%
2	226	0.6%
1	197	0.6%
0	191	0.5%
-1	170	0.5%
-2	167	0.5%
4	157	0.4%
5	154	0.4%
23.8	143	0.4%
22.4	137	0.4%
Other values (985)	33188	94.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-15.6	1	< 0.1%
-15.5	1	< 0.1%
-15.2	2	< 0.1%
-15.1	3	< 0.1%
-15	3	< 0.1%
-14.9	1	< 0.1%
-14.8	3	< 0.1%
-14.7	2	< 0.1%
-14.6	1	< 0.1%
-14.3	1	< 0.1%

Value	Count	Frequency (%)
41.6	1	< 0.1%
40.9	1	< 0.1%
40.2	1	< 0.1%
39.8	1	< 0.1%
39.3	1	< 0.1%
39	2	< 0.1%
38.8	1	< 0.1%
38.7	1	< 0.1%
38.1	1	< 0.1%
37.9	1	< 0.1%

PRES
Real number (ℝ)

HIGH CORRELATION

Distinct	592
Distinct (%)	1.7%
Missing	50
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1008.8296

Minimum	984
Maximum	1038.1
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	984
5-th percentile	993.6
Q1	1000.5
median	1008.5
Q3	1017
95-th percentile	1025.1
Maximum	1038.1
Range	54.1
Interquartile range (IQR)	16.5

Descriptive statistics

Standard deviation	10.103256
Coefficient of variation (CV)	0.010014829
Kurtosis	-0.90214345
Mean	1008.8296
Median Absolute Deviation (MAD)	8.3
Skewness	0.099001783
Sum	35323159
Variance	102.07578
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1019	285	0.8%
1020	280	0.8%
1016	270	0.8%
1018	262	0.7%
1021	253	0.7%
1015	246	0.7%
1022	240	0.7%
1017	223	0.6%
1012	215	0.6%
1010	213	0.6%
Other values (582)	32527	92.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
984	3	< 0.1%
984.2	2	< 0.1%
984.3	1	< 0.1%
984.4	2	< 0.1%
984.6	1	< 0.1%
984.8	2	< 0.1%
985.1	1	< 0.1%
985.2	1	< 0.1%
985.3	1	< 0.1%
985.4	1	< 0.1%

Value	Count	Frequency (%)
1038.1	1	< 0.1%
1038	1	< 0.1%
1037.5	2	< 0.1%
1037.3	4	< 0.1%
1037.2	1	< 0.1%
1037.1	2	< 0.1%
1037	1	< 0.1%
1036.9	3	< 0.1%
1036.6	3	< 0.1%
1036.5	1	< 0.1%

DEWP
Real number (ℝ)

HIGH CORRELATION

Distinct	594
Distinct (%)	1.7%
Missing	51
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	2.6104418

Minimum	-34.6
Maximum	27.4
Zeros	56
Zeros (%)	0.2%
Negative	15362
Negative (%)	43.8%
Memory size	274.1 KiB

Quantile statistics

Minimum	-34.6
5-th percentile	-19.6
Q1	-8.9
median	3
Q3	15.3
95-th percentile	22.3
Maximum	27.4
Range	62
Interquartile range (IQR)	24.2

Descriptive statistics

Standard deviation	13.782991
Coefficient of variation (CV)	5.2799455
Kurtosis	-1.15798
Mean	2.6104418
Median Absolute Deviation (MAD)	12.1
Skewness	-0.16804275
Sum	91399.4
Variance	189.97083
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
17.2	139	0.4%
17.4	138	0.4%
17.3	137	0.4%
16.8	133	0.4%
16.4	128	0.4%
17.7	126	0.4%
16.7	122	0.3%
17.5	121	0.3%
16.3	119	0.3%
18.7	118	0.3%
Other values (584)	33732	96.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-34.6	1	< 0.1%
-34.4	1	< 0.1%
-34.3	2	< 0.1%
-34.1	1	< 0.1%
-33.7	1	< 0.1%
-33.6	1	< 0.1%
-33.5	1	< 0.1%
-33.4	1	< 0.1%
-32.9	1	< 0.1%
-32.8	1	< 0.1%

Value	Count	Frequency (%)
27.4	1	< 0.1%
27.2	2	< 0.1%
27.1	1	< 0.1%
27	1	< 0.1%
26.9	1	< 0.1%
26.8	5	< 0.1%
26.7	2	< 0.1%
26.6	4	< 0.1%
26.5	5	< 0.1%
26.4	5	< 0.1%

RAIN
Real number (ℝ)

SKEWED ZEROS

Distinct	125
Distinct (%)	0.4%
Missing	43
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.064452757

Minimum	0
Maximum	41.9
Zeros	33673
Zeros (%)	96.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	0
Maximum	41.9
Range	41.9
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.83865386
Coefficient of variation (CV)	13.011916
Kurtosis	947.38339
Mean	0.064452757
Median Absolute Deviation (MAD)	0
Skewness	27.268851
Sum	2257.2
Variance	0.7033403
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	33673	96.0%
0.1	281	0.8%
0.2	151	0.4%
0.3	132	0.4%
0.6	77	0.2%
0.4	74	0.2%
0.5	62	0.2%
0.8	46	0.1%
0.7	45	0.1%
0.9	37	0.1%
Other values (115)	443	1.3%
(Missing)	43	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	33673	96.0%
0.1	281	0.8%
0.2	151	0.4%
0.3	132	0.4%
0.4	74	0.2%
0.5	62	0.2%
0.6	77	0.2%
0.7	45	0.1%
0.8	46	0.1%
0.9	37	0.1%

Value	Count	Frequency (%)
41.9	1	< 0.1%
39	1	< 0.1%
36.6	1	< 0.1%
34.5	1	< 0.1%
33.5	1	< 0.1%
30.5	1	< 0.1%
30.4	1	< 0.1%
30.3	1	< 0.1%
29.2	1	< 0.1%
24.1	1	< 0.1%

wd
Categorical

Distinct	16
Distinct (%)	< 0.1%
Missing	159
Missing (%)	0.5%
Memory size	274.1 KiB

N	3949
NE	3119
SSW	2762
NW	2758
NNE	2602
Other values (11)	19715

Length

Max length	3
Median length	2
Mean length	2.1499212
Min length	1

Characters and Unicode

Total characters	75043
Distinct characters	4
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	NW
2nd row	NW
3rd row	WNW
4th row	W
5th row	WNW

Common Values

Value	Count	Frequency (%)
N	3949	11.3%
NE	3119	8.9%
SSW	2762	7.9%
NW	2758	7.9%
NNE	2602	7.4%
S	2343	6.7%
W	2331	6.6%
WNW	2073	5.9%
SW	1993	5.7%
ENE	1885	5.4%
Other values (6)	9090	25.9%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
n	3949	11.3%
ne	3119	8.9%
ssw	2762	7.9%
nw	2758	7.9%
nne	2602	7.5%
s	2343	6.7%
w	2331	6.7%
wnw	2073	5.9%
sw	1993	5.7%
ene	1885	5.4%
Other values (6)	9090	26.0%

Most occurring characters

Value	Count	Frequency (%)
N	22216	29.6%
W	18846	25.1%
S	17282	23.0%
E	16699	22.3%

Most occurring categories

Value	Count	Frequency (%)
Uppercase Letter	75043	100.0%

Most frequent character per category

Uppercase Letter

Value	Count	Frequency (%)
N	22216	29.6%
W	18846	25.1%
S	17282	23.0%
E	16699	22.3%

Most occurring scripts

Value	Count	Frequency (%)
Latin	75043	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
N	22216	29.6%
W	18846	25.1%
S	17282	23.0%
E	16699	22.3%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	75043	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
N	22216	29.6%
W	18846	25.1%
S	17282	23.0%
E	16699	22.3%

WSPM
Real number (ℝ)

ZEROS

Distinct	101
Distinct (%)	0.3%
Missing	42
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1.3433099

Minimum	0
Maximum	12
Zeros	2492
Zeros (%)	7.1%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.6
median	1
Q3	1.8
95-th percentile	3.6
Maximum	12
Range	12
Interquartile range (IQR)	1.2

Descriptive statistics

Standard deviation	1.1510644
Coefficient of variation (CV)	0.85688669
Kurtosis	5.8353117
Mean	1.3433099
Median Absolute Deviation (MAD)	0.5
Skewness	1.9025955
Sum	47045.4
Variance	1.3249492
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	2492	7.1%
0.7	2176	6.2%
0.6	2065	5.9%
0.8	2033	5.8%
0.9	1944	5.5%
0.5	1868	5.3%
1	1740	5.0%
1.1	1507	4.3%
1.2	1434	4.1%
0.4	1348	3.8%
Other values (91)	16415	46.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	2492	7.1%
0.1	931	2.7%
0.2	860	2.5%
0.3	176	0.5%
0.4	1348	3.8%
0.5	1868	5.3%
0.6	2065	5.9%
0.7	2176	6.2%
0.8	2033	5.8%
0.9	1944	5.5%

Value	Count	Frequency (%)
12	1	< 0.1%
11.4	1	< 0.1%
11	1	< 0.1%
10.9	1	< 0.1%
10.7	1	< 0.1%
10.1	1	< 0.1%
9.8	2	< 0.1%
9.6	1	< 0.1%
9.5	1	< 0.1%
9.1	3	< 0.1%

station
Categorical

CONSTANT

Distinct	1
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

Gucheng	35064

Length

Max length	7
Median length	7
Mean length	7
Min length	7

Characters and Unicode

Total characters	245448
Distinct characters	7
Distinct categories	2 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Gucheng
2nd row	Gucheng
3rd row	Gucheng
4th row	Gucheng
5th row	Gucheng

Common Values

Value	Count	Frequency (%)
Gucheng	35064	100.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
gucheng	35064	100.0%

Most occurring characters

Value	Count	Frequency (%)
G	35064	14.3%
u	35064	14.3%
c	35064	14.3%
h	35064	14.3%
e	35064	14.3%
n	35064	14.3%
g	35064	14.3%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	210384	85.7%
Uppercase Letter	35064	14.3%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
u	35064	16.7%
c	35064	16.7%
h	35064	16.7%
e	35064	16.7%
n	35064	16.7%
g	35064	16.7%

Uppercase Letter

Value	Count	Frequency (%)
G	35064	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	245448	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
G	35064	14.3%
u	35064	14.3%
c	35064	14.3%
h	35064	14.3%
e	35064	14.3%
n	35064	14.3%
g	35064	14.3%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	245448	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
G	35064	14.3%
u	35064	14.3%
c	35064	14.3%
h	35064	14.3%
e	35064	14.3%
n	35064	14.3%
g	35064	14.3%

Auto

Heatmap
Table

	CO	DEWP	NO2	No	O3	PM10	PM2.5	PRES	RAIN	SO2	TEMP	WSPM	day	hour	month	wd	year
CO	1.000	-0.011	0.780	-0.064	-0.516	0.670	0.805	0.182	-0.021	0.577	-0.319	-0.354	0.000	-0.015	0.027	0.057	0.084
DEWP	-0.011	1.000	0.036	-0.108	0.265	0.164	0.217	-0.779	0.171	-0.488	0.818	-0.335	0.023	-0.009	0.252	0.081	0.160
NO2	0.780	0.036	1.000	-0.111	-0.647	0.693	0.716	0.100	-0.080	0.507	-0.243	-0.477	0.019	-0.031	0.063	0.083	0.098
No	-0.064	-0.108	-0.111	1.000	-0.072	-0.059	-0.053	0.164	0.007	-0.209	-0.129	0.247	0.018	0.001	0.044	0.152	0.862
O3	-0.516	0.265	-0.647	-0.072	1.000	-0.247	-0.296	-0.448	0.006	-0.273	0.602	0.411	-0.013	0.290	-0.176	0.131	0.063
PM10	0.670	0.164	0.693	-0.059	-0.247	1.000	0.870	-0.117	-0.103	0.429	0.006	-0.247	0.034	0.106	-0.029	0.055	0.070
PM2.5	0.805	0.217	0.716	-0.053	-0.296	0.870	1.000	-0.066	-0.034	0.451	-0.047	-0.306	0.019	0.050	0.003	0.053	0.061
PRES	0.182	-0.779	0.100	0.164	-0.448	-0.117	-0.066	1.000	-0.071	0.381	-0.836	0.108	0.005	-0.037	-0.006	0.059	0.144
RAIN	-0.021	0.171	-0.080	0.007	0.006	-0.103	-0.034	-0.071	1.000	-0.170	0.030	-0.051	-0.008	-0.007	0.052	0.014	0.009
SO2	0.577	-0.488	0.507	-0.209	-0.273	0.429	0.451	0.381	-0.170	1.000	-0.490	-0.011	0.014	0.041	-0.244	0.048	0.076
TEMP	-0.319	0.818	-0.243	-0.129	0.602	0.006	-0.047	-0.836	0.030	-0.490	1.000	0.012	0.017	0.143	0.123	0.099	0.153
WSPM	-0.354	-0.335	-0.477	0.247	0.411	-0.247	-0.306	0.108	-0.051	-0.011	0.012	1.000	0.005	0.191	-0.215	0.127	0.172
day	0.000	0.023	0.019	0.018	-0.013	0.034	0.019	0.005	-0.008	0.014	0.017	0.005	1.000	0.000	0.010	0.030	0.000
hour	-0.015	-0.009	-0.031	0.001	0.290	0.106	0.050	-0.037	-0.007	0.041	0.143	0.191	0.000	1.000	0.000	0.151	0.000
month	0.027	0.252	0.063	0.044	-0.176	-0.029	0.003	-0.006	0.052	-0.244	0.123	-0.215	0.010	0.000	1.000	0.074	0.249
wd	0.057	0.081	0.083	0.152	0.131	0.055	0.053	0.059	0.014	0.048	0.099	0.127	0.030	0.151	0.074	1.000	0.204
year	0.084	0.160	0.098	0.862	0.063	0.070	0.061	0.144	0.009	0.076	0.153	0.172	0.000	0.000	0.249	0.204	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
0	1	2013	3	1	0	6.0	18.0	5.0	NaN	800.0	88.0	0.1	1021.1	-18.6	NW	4.4	Gucheng
1	2	2013	3	1	1	6.0	15.0	5.0	NaN	800.0	88.0	-0.3	1021.5	-19.0	NW	4.0	Gucheng
2	3	2013	3	1	2	5.0	18.0	NaN	NaN	700.0	52.0	-0.7	1021.5	-19.8	WNW	4.6	Gucheng
3	4	2013	3	1	3	6.0	20.0	6.0	NaN	NaN	NaN	-1.0	1022.7	-21.2	W	2.8	Gucheng
4	5	2013	3	1	4	5.0	17.0	5.0	NaN	600.0	73.0	-1.3	1023.0	-21.4	WNW	3.6	Gucheng
5	6	2013	3	1	5	4.0	11.0	3.0	NaN	700.0	87.0	-1.8	1023.6	-21.9	E	1.2	Gucheng
6	7	2013	3	1	6	3.0	6.0	3.0	NaN	700.0	92.0	-2.6	1024.3	-20.4	ENE	1.2	Gucheng
7	8	2013	3	1	7	5.0	5.0	3.0	NaN	800.0	86.0	-0.9	1025.6	-20.5	ENE	1.1	Gucheng
8	9	2013	3	1	8	5.0	9.0	5.0	NaN	900.0	81.0	0.1	1026.1	-20.3	ENE	3.0	Gucheng
9	10	2013	3	1	9	4.0	10.0	6.0	NaN	900.0	82.0	1.1	1026.1	-20.6	NE	2.8	Gucheng

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
35054	35055	2017	2	28	14	3.0	16.0	2.0	2.0	300.0	67.0	14.8	1009.5	-17.9	WNW	4.3	Gucheng
35055	35056	2017	2	28	15	6.0	29.0	2.0	2.0	300.0	73.0	14.8	1009.1	-17.9	NNW	6.4	Gucheng
35056	35057	2017	2	28	16	15.0	34.0	3.0	2.0	400.0	73.0	15.0	1008.8	-17.7	NNW	5.3	Gucheng
35057	35058	2017	2	28	17	12.0	47.0	3.0	4.0	400.0	69.0	14.1	1009.0	-17.1	NW	4.1	Gucheng
35058	35059	2017	2	28	18	12.0	41.0	3.0	10.0	400.0	64.0	13.4	1009.4	-16.5	NNW	3.8	Gucheng
35059	35060	2017	2	28	19	14.0	58.0	4.0	19.0	500.0	56.0	12.8	1009.9	-17.0	NNW	3.1	Gucheng
35060	35061	2017	2	28	20	27.0	83.0	6.0	60.0	700.0	26.0	11.1	1010.4	-15.5	NW	1.9	Gucheng
35061	35062	2017	2	28	21	22.0	37.0	7.0	52.0	600.0	27.0	10.5	1010.8	-15.9	N	2.3	Gucheng
35062	35063	2017	2	28	22	9.0	23.0	3.0	13.0	400.0	57.0	8.9	1010.9	-14.9	NE	1.6	Gucheng
35063	35064	2017	2	28	23	12.0	48.0	5.0	48.0	600.0	28.0	6.2	1010.5	-13.4	NNE	0.7	Gucheng

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Most occurring characters

Most occurring categories

Most frequent character per category

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample